alpha.dmnodes.net has no NS records.
NS records for this zone are defined at dmnodes.net.
NS records for this zone are defined at dmnodes.net.
Question and response
Question
dig alpha.dmnodes.net. NS
Answer
The response has no answer records.
Authority
dmnodes.net. 1800 SOA mark.ns.cloudflare.com. dns.cloudflare.com. 2398807417 10000 2400 604800 1800
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0